Datasheet

Input/Output Lines (PA7–PA0, PB7–PB0, PC7–PC0, and PD7–PD0)
MC68HC711D3 Data Sheet, Rev. 2.1
Freescale Semiconductor 19
Refer to Table 1-1 for details about the functions of the 32 port signals within different operating modes.
Table 1-1. Port Signal Functions
Port/Bit
Single-Chip
and Bootstrap Mode
Expanded Multiplexed
and Special Test Mode
PA0 PA0/ IC 3
PA1 PA1/ IC 2
PA2 PA2/ IC 1
PA3 PA3/OC5/IC4/and-or OC1
PA4
(1)
1. In the 40-pin package, pins PA4 and PA6 are not bonded. Their associated I/O and output
compare functions are not available externally. They can still be used as internal software
timers, however.
PA4/OC4/and-or OC1
PA5 PA5/OC3/and-or OC1
PA6
(1)
PA6/OC2/and-or OC1
PA7 PA7/PAI/and-or OC1
PB0 PB0 A8
PB1 PB1 A9
PB2 PB2 A10
PB3 PB3 A11
PB4 PB4 A12
PB5 PB5 A13
PB6 PB6 A14
PB7 PB7 A15
PC0 PC0 A0/D0
PC1 PC1 A1/D1
PC2 PC2 A2/D2
PC3 PC3 A3/D3
PC4 PC4 A4/D4
PC5 PC5 A5/D5
PC6 PC6 A6/D6
PC7 PC7 A7/D7
PD0 PD0/RxD
PD1 PD1/TxD
PD2 PD2/MISO
PD3 PD3/MOSI
PD4 PD4/SCK
PD5 PD5/SS
PD6 PD6 AS
PD7 PD7 R/W